:root {
    --bg: #f5f5f7;
    --surface: #ffffff;
    --surface-soft: #f0f0f2;
    --border: #d2d2d7;
    --border-dark: #b8b8bd;
    --text: #1d1d1f;
    --text-soft: #6e6e73;
    --black: #000000;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    --radius-md: 18px;
    --radius-lg: 26px;
    --transition: all 0.25s ease;
    --container: 1240px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
    line-height: 1.5;
}

button, input, select {
    font: inherit;
}

.container {
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto;
}

.header {
    padding: 24px 0 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(18px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo img {
    width: auto;
    height: 48px;
    object-fit: contain;
}

.logo-badge {
    display: inline-block;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.05;
    white-space: nowrap;
}

.header-badge {
    background: var(--black);
    color: var(--white);
    border-radius: 999px;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.nav-tabs {
    padding: 18px 0 10px;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tab-btn {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 999px;
    padding: 11px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.main {
    padding: 20px 0 48px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.card {
    background: var(--surface);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 28px;
    margin-bottom: 22px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    margin-bottom: 22px;
}

.card-header.inner {
    margin-bottom: 16px;
}

.card-header h2 {
    font-size: 1.45rem;
    letter-spacing: -0.03em;
}

.dashboard-cycle-header {
    align-items: end;
}

.dashboard-group-picker {
    min-width: 240px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.section-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-soft);
    margin-bottom: 6px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card,
.cycle-stat {
    background: linear-gradient(180deg, #ffffff 0%, #f8f8f9 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
}

.stat-card h3,
.cycle-stat h3 {
    font-size: 2rem;
    letter-spacing: -0.04em;
    margin-top: 10px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-soft);
    font-weight: 600;
}

.cycle-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.progress-bar {
    width: 100%;
    height: 14px;
    background: #dfdfe3;
    border-radius: 999px;
    overflow: hidden;
    margin-top: 12px;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #111111 0%, #555555 100%);
    border-radius: 999px;
    transition: width 0.35s ease;
}

#progress-text {
    margin-top: 10px;
    color: var(--text-soft);
    font-size: 14px;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.member-card,
.group-manager-card,
.winner-card,
.winner-history-item {
    background: linear-gradient(180deg, #ffffff 0%, #f8f8f9 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.member-card {
    padding: 20px;
}

.member-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.member-info h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.member-status {
    display: inline-flex;
    background: #ededf0;
    color: var(--text-soft);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.member-contribution {
    background: var(--black);
    color: var(--white);
    border-radius: 999px;
    padding: 10px 14px;
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
}

.member-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.member-detail {
    color: var(--text-soft);
    font-size: 14px;
    word-break: break-word;
}

.member-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.member-already-in-group {
  display: block;
  font-size: 0.85em;
  color: #1d1d1f;
  margin-top: 4px;
  font-weight: 600;
}

.member-existing-groups {
  display: block;
  font-size: 0.85em;
  color: #888;
  margin-top: 4px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.winner-select {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 14px;
    padding: 0 14px;
    outline: none;
    transition: var(--transition);
}

.btn {
    min-height: 48px;
    border: none;
    border-radius: 999px;
    padding: 0 18px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
}

.btn-fit {
    width: fit-content;
    min-width: 170px;
    align-self: flex-start;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}

.btn-secondary {
    background: #ececef;
    color: var(--text);
}

.draw-content,
.group-manager-card {
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 16px;
}

.draw-top-grid {
    max-width: 520px;
}

.draw-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: stretch;
}

.manual-winner-section,
.random-draw-section,
.winner-result {
    background: #fafafa;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.manual-winner-controls.column-mode,
.random-draw-controls {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}

.winner-card {
    padding: 28px;
    text-align: center;
}

.winner-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 12px 0;
}

.winner-amount {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.group-manager-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.selected-members-section,
.add-members-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.selected-members-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.member-pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    background: #f3f3f5;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 12px 14px;
    min-width: 0;
}

.member-pill strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}

.member-pill span {
    display: block;
    color: var(--text-soft);
    font-size: 12px;
}

.remove-member-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 999px;
    background: #1d1d1f;
    color: white;
    font-size: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.search-member-results {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-member-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: #f7f7f8;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 16px;
}

.search-member-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
}

.search-member-item span {
    color: var(--text-soft);
    font-size: 13px;
}

.group-form-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.winners-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.cycle-winners {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.winner-history-item {
    padding: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.winner-meta,
.winner-label,
.winner-date,
.winner-cycle-month,
.draw-description,
.eligible-count,
.cycle-info {
    color: var(--text-soft);
    font-size: 14px;
}

.empty-state {
    border: 1px dashed var(--border-dark);
    border-radius: var(--radius-md);
    background: #fafafa;
    color: var(--text-soft);
    padding: 24px;
    text-align: center;
    font-size: 14px;
}

.footer {
    padding: 8px 0 32px;
    color: var(--text-soft);
    font-size: 14px;
    text-align: center;
}

.hidden {
    display: none !important;
}

@media (max-width: 1100px) {
    .stats-grid,
    .members-grid,
    .selected-members-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .draw-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 780px) {
    .header-content,
    .card-header,
    .group-manager-header,
    .member-header,
    .winner-history-item,
    .search-member-item {
        flex-direction: column;
        align-items: stretch;
    }

    .stats-grid,
    .cycle-stats,
    .members-grid,
    .form-grid,
    .selected-members-list,
    .draw-grid {
        grid-template-columns: 1fr;
    }

    .tabs {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .logo {
        flex-wrap: wrap;
    }
}